xref: /freebsd/sys/netgraph/ng_iface.h (revision 63a938566d524836885917d95bd491aa4400b181)
1 /*
2  * ng_iface.h
3  */
4 
5 /*-
6  * Copyright (c) 1996-1999 Whistle Communications, Inc.
7  * All rights reserved.
8  *
9  * Subject to the following obligations and disclaimer of warranty, use and
10  * redistribution of this software, in source or object code forms, with or
11  * without modifications are expressly permitted by Whistle Communications;
12  * provided, however, that:
13  * 1. Any and all reproductions of the source or object code must include the
14  *    copyright notice above and the following disclaimer of warranties; and
15  * 2. No rights are granted, in any manner or form, to use Whistle
16  *    Communications, Inc. trademarks, including the mark "WHISTLE
17  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
18  *    such appears in the above copyright notice or in the software.
19  *
20  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
21  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
22  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
23  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
24  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
25  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
26  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
27  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
28  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
29  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
30  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
31  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
32  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
36  * OF SUCH DAMAGE.
37  *
38  * Author: Archie Cobbs <archie@freebsd.org>
39  *
40  * $FreeBSD$
41  * $Whistle: ng_iface.h,v 1.5 1999/01/20 00:22:13 archie Exp $
42  */
43 
44 #ifndef _NETGRAPH_NG_IFACE_H_
45 #define _NETGRAPH_NG_IFACE_H_
46 
47 /* Node type name and magic cookie */
48 #define NG_IFACE_NODE_TYPE		"iface"
49 #define NGM_IFACE_COOKIE		1108312559
50 
51 /* Interface base name */
52 #define NG_IFACE_IFACE_NAME		"ng"
53 
54 /* My hook names */
55 #define NG_IFACE_HOOK_INET		"inet"
56 #define NG_IFACE_HOOK_INET6		"inet6"
57 #define NG_IFACE_HOOK_ATM		"atm"
58 #define NG_IFACE_HOOK_NATM		"natm"
59 
60 /* MTU bounds */
61 #define NG_IFACE_MTU_MIN		72
62 #define NG_IFACE_MTU_MAX		65535
63 #define NG_IFACE_MTU_DEFAULT		1500
64 
65 /* Netgraph commands */
66 enum {
67 	NGM_IFACE_GET_IFNAME = 1,
68 	NGM_IFACE_POINT2POINT,
69 	NGM_IFACE_BROADCAST,
70 	NGM_IFACE_GET_IFINDEX,
71 };
72 
73 #define	MTAG_NGIF			NGM_IFACE_COOKIE
74 #define	MTAG_NGIF_CALLED		0 | MTAG_PERSISTENT
75 
76 #endif /* _NETGRAPH_NG_IFACE_H_ */
77